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Please help me to decode file naming convention

Tisztul_A_Visztula
over 8 years ago
Hello,

I tried to make a post on https://forums.garmin.com/showthread.php?145976-Change-File-Name-Format, but that thread was closed.

So far I used Ant Agent with my 310XT and 910XTs, but now I acquired a Fenix 3 HR, thus I had to install Garmin Express and say bye-bye to Ant Agent.

Ant Agent uses a naming convention for fit files and it is easy to decode the start time of activities from the file names.

Garmin Express is just the opposite. Eg I have file name like 636183027220000000544.fit.

The last 3 (and maybe even the last 11) digits seem to be a simple increasing number. The first 10 digits may store the starting time of the activity. It seems that the last couple of these digits simply increase second by second, but I am unable to fully decode the name.

Can someone help me, please?

EDIT: I have a bet. The 10 digits are the seconds from the zero time of Anno Domini. And it is why one cannot decode this number so evidently, since eg MS Excel uses 1900.01.01 as a zero reference. But 59,926,435,200 seconds have elapsed from 0 AD until the first second of the year of 1900.01.01
  • 0 over 8 years ago
    I remember this coming up some years back when GE first came into use. Then, as now, the only way I can work out which file is which from the saved activities is by looking at the date created information of the files stored on my 920. If you have that ability with the F3HR, that might be the only way to identify the activity from the file name.

  • 0 over 8 years ago
    Just to be clear.

    There are two file naming conventions. One is regarding the files in the devices, I guess the same logics for 910XT and Fenix 4, but the old ones have different, and the other is for the files created by GE. Obviously it is very likely that the same convention is applied for all the devices, since GE itself is the creator for GC..